db.createUser({
    user: "witskyAdmin",
    pwd: "Witsky@JiuXin999",
    roles: [
        { role: "readWrite", db: "m2019" },
        { role: "readWrite", db: "user_center" },
        { role: "readWrite", db: "version_data" },
        { role: "readWrite", db: "culculate" },
    ]
})